Question 1

Auxiliary contacts on motor starters cannot be used to control the action of timed relays.

Accepted Answer

A) True 
 B)False  False

Question 2

Some circuits employ the use of normally open auxiliary contacts to prevent motor 2 from starting before motor 1, and motor 3 cannot start before motor2. These normally open auxiliary contacts that control the starting sequence are often called ____ contacts.

Accepted Answer

A)  automatic 
B)  permissive 
C)  energizing 
D)  overload 
A)  automatic 
B)  permissive 
C)  energizing 
D)  overload B

Question 3

One of the most common methods of automatic sequence control is time ____________________.

Accepted Answer

delay

Question 4

What types of machines use sequence control?

Accepted Answer

Sequence control is used by such machine

Question 5

Some circuit requirements may demand that the motors turn off in sequence instead of turning on in sequence. This circuit will require the use of ____ timers.

Accepted Answer

A)  on-delay 
B)  level 
C)  automatic 
D)  off-delay 
A)  on-delay 
B)  level 
C)  automatic 
D)  off-delay

Question 6

The ____________________ is the rotating part of the motor.

Accepted Answer

The answer of The ____________________ is the rotating part of...

Question 7

____, which press against the commutator segment, supply power to the armature from the DC power line.

Accepted Answer

A)  Windings 
B)  Resistors 
C)  Shunts 
D)  Carbon brushes 
A)  Windings 
B)  Resistors 
C)  Shunts 
D)  Carbon brushes

Question 8

How do you reverse a compound motor?

Accepted Answer

When a compound motor is to be reversed,

Question 9

There are two types of field windings used in DC motors: series and ____________________.

Accepted Answer

The answer of There are two types of field windings...

Question 10

The speed of a DC motor can be controlled by applying variable voltage to the armature or field.

Accepted Answer

A) True 
 B)False

Question 11

When a motor is connected as a cumulative compound, the shunt and series fields are connected in such a manner that as current flows through the windings, they aid each other in the production of magnetism.

Accepted Answer

A) True 
 B)False

Question 12

There are three basic types of DC motors: the series, the shunt, and the ____.

Accepted Answer

A)  compound 
B)  winding 
C)  armature 
D)  differential 
A)  compound 
B)  winding 
C)  armature 
D)  differential

Question 13

How do automatic sequence control circuits determine when the next motor should start?

Accepted Answer

There are a number of methods that can b

Question 14

What are some applications of DC motors?

Accepted Answer

DC motors are used in applications where

Auxiliary contacts on motor starters cannot be used to control the action of timed relays.

Some circuits employ the use of normally open auxiliary contacts to prevent motor 2 from starting before motor 1, and motor 3 cannot start before motor2. These normally open auxiliary contacts that control the starting sequence are often called ____ contacts.

One of the most common methods of automatic sequence control is time ____________________.

What types of machines use sequence control?

Some circuit requirements may demand that the motors turn off in sequence instead of turning on in sequence. This circuit will require the use of ____ timers.

The ____________________ is the rotating part of the motor.

____, which press against the commutator segment, supply power to the armature from the DC power line.

How do you reverse a compound motor?

There are two types of field windings used in DC motors: series and ____________________.

The speed of a DC motor can be controlled by applying variable voltage to the armature or field.

When a motor is connected as a cumulative compound, the shunt and series fields are connected in such a manner that as current flows through the windings, they aid each other in the production of magnetism.

There are three basic types of DC motors: the series, the shunt, and the ____.

How do automatic sequence control circuits determine when the next motor should start?

What are some applications of DC motors?

General Principles of Motor Control, Symbols and Schematic Diagrams

Manual Starters and Overload Relays

The Control Transformer, Relays, Contactors, and Motor Starters

Timing Relays, Pressure Switches and Sensors

Float Switches, Flow Switches and Sensors

Limit Switches and Phase Failure Relays

Temperature Sensing, Devices M Solenoid and Motor Operated Valves

Hall Effect Sensors and Proximity Detectors

Basic Control Circuits and Photodetectors

Schematics, Wiring Diagrams Circuit (1), Timed Starting for Three Motors Circuit (2)

Float Switch Control of a Pump and Pilot Lights Circuit (3), Developing a Wiring Diagram Circuit (1)

Developing a Wiring Diagram Circuit (2) and Developing a Wiring Diagram Circuit (3)

Installing Control Systems and Reading Large Schematic Diagrams

Multiple Push Button Stations and Hand-Off-Automatic Controls

Forward-Reverse Control, Jogging and Inching

Solid-State Dc Drives and Starting Methods for DC Motors

Stepping Motors, the Motor and Starting Methods

Autotransformer Starting , Resistor and Reactor Starting for Ac Motors

Wye-Delta Starting, Part Winding Starters

Braking , Consequent Pole Motors, Variable Voltage and Magnetic Clutches

Variable Frequency Control

Troubleshooting, Motor Installation and Developing Control Circuits

Digital Logic and the Bounceless Switch

Programmable Logic Controllers and Start-Stop Push Button Control

Programming a PLC and Analog Sensing for Programmable Controllers

Filters

Exam 16: Dc Motors and Sequence Control

Auxiliary contacts on motor starters cannot be used to control the action of timed relays.

Some circuits employ the use of normally open auxiliary contacts to prevent motor 2 from starting before motor 1, and motor 3 cannot start before motor2. These normally open auxiliary contacts that control the starting sequence are often called ____ contacts.

One of the most common methods of automatic sequence control is time ____________________.

What types of machines use sequence control?

Some circuit requirements may demand that the motors turn off in sequence instead of turning on in sequence. This circuit will require the use of ____ timers.

The ____________________ is the rotating part of the motor.

____, which press against the commutator segment, supply power to the armature from the DC power line.

How do you reverse a compound motor?

There are two types of field windings used in DC motors: series and ____________________.

The speed of a DC motor can be controlled by applying variable voltage to the armature or field.

When a motor is connected as a cumulative compound, the shunt and series fields are connected in such a manner that as current flows through the windings, they aid each other in the production of magnetism.

There are three basic types of DC motors: the series, the shunt, and the ____.

How do automatic sequence control circuits determine when the next motor should start?

What are some applications of DC motors?

General Principles of Motor Control, Symbols and Schematic Diagrams

Manual Starters and Overload Relays

The Control Transformer, Relays, Contactors, and Motor Starters

Timing Relays, Pressure Switches and Sensors

Float Switches, Flow Switches and Sensors

Limit Switches and Phase Failure Relays

Temperature Sensing, Devices M Solenoid and Motor Operated Valves

Hall Effect Sensors and Proximity Detectors

Basic Control Circuits and Photodetectors

Schematics, Wiring Diagrams Circuit (1), Timed Starting for Three Motors Circuit (2)

Float Switch Control of a Pump and Pilot Lights Circuit (3), Developing a Wiring Diagram Circuit (1)

Developing a Wiring Diagram Circuit (2) and Developing a Wiring Diagram Circuit (3)

Installing Control Systems and Reading Large Schematic Diagrams

Multiple Push Button Stations and Hand-Off-Automatic Controls

Forward-Reverse Control, Jogging and Inching

Solid-State Dc Drives and Starting Methods for DC Motors

Stepping Motors, the Motor and Starting Methods

Autotransformer Starting , Resistor and Reactor Starting for Ac Motors

Wye-Delta Starting, Part Winding Starters

Braking , Consequent Pole Motors, Variable Voltage and Magnetic Clutches

Variable Frequency Control

Troubleshooting, Motor Installation and Developing Control Circuits

Digital Logic and the Bounceless Switch

Programmable Logic Controllers and Start-Stop Push Button Control

Programming a PLC and Analog Sensing for Programmable Controllers

Filters